1100121200023 has 4 divisors (see below), whose sum is σ = 1100125446408. Its totient is φ = 1100116953640.

The previous prime is 1100121199967. The next prime is 1100121200027. The reversal of 1100121200023 is 3200021210011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1100121200023 - 2²⁹ = 1099584329111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100121199976 and 1100121200012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100121200027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1707448 + ... + 2261773.

It is an arithmetic number, because the mean of its divisors is an integer number (275031361602).

Almost surely, 2^{1100121200023} is an apocalyptic number.

1100121200023 is a deficient number, since it is larger than the sum of its proper divisors (4246385).

1100121200023 is an equidigital number, since it uses as much as digits as its factorization.

1100121200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246384.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1100121200023 its reverse (3200021210011), we get a palindrome (4300142410034).

The spelling of 1100121200023 in words is "one trillion, one hundred billion, one hundred twenty-one million, two hundred thousand, twenty-three".